body {
    margin: 0;
    padding: 0;
}

.wrap {
    position: absolute;
    width: 100%;
    height: 100%;

    background-color: black;
    text-align: center;
}

.draw_area {
    display: block;
    position: relative;

    width: 96%;
    margin: 2%;

    background-color: lightblue;
    border-top: 3px solid lightgreen;
    border-bottom: 3px solid blue;
}

.score_block {
    display: inline-block;
    position: relative;

    padding: 10px;

    background-color: green;
    font-size: 2em;
    text-align: center;
}